Features:Distortion guitar effect pedal with true bypassA high gain distortion sound with powerful min frequency.With volume, tone color and gain of distortion sound control knob.LED light for indicating effects or bypass status.Full metal shell, durable and sturdy.Specifications:Material: MetalSignal Input: 1/4″Monaural Jack (impedance: 1M Ohms)Signal Output: 1/4″Monaural Jack (impedance: 1k Ohms)Power Supply: DC 9V adapter (center minus plug)Working Current: 7mAItem Size: 3.5 * 9 * 3cm / 1.4 * 3.5 * 1.2inItem Weight: 150g / 5.3ozNote:The power adapter is not included.Please use the power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.Package List:1 * Effect Pedal1 * User Manual(English & Chinese)